High Resolution Background Sources:

backtoschoolback.jpg

National Geographic Photography: http://photography.nationalgeographic.com/photography/

National Geographic Printable Posters: http://www.nationalgeographic.com/printaposter/

FreePhoto.com: http://www.freefoto.com/

flikr: http://www.flickr.com/

National Park Service Digital Image Archive: http://www.nps.gov/storage/images/bela/Webpages/index.html

MorgueFile Free Photos: http://www.morguefile.com/

Image*After: http://www.imageafter.com/

WDW Memories.com - Disney World Pictures: Free quality high resolution pictures of the Walt Disney World Resort in Florida: http://www.wdwmemories.com/

MORE BACKGROUND LINKS

http://www.nps.gov/index.htm

http://www.copyright-free-images.com/nature-landscapes-copyright-free-images/national-parks-reserves-copyright-free-images

http://interfacelift.com/wallpaper_beta/downloads/date/any

http://www.publicdomainpictures.net/view-image.php?image=11745&picture=great-smoky-mountains-national-park&large=1

http://www.wallpapershdi.com/resize/265/kentucky-cave-national-park_1755x1097.html

http://www.copyright-free-images.com/nature-landscapes-copyright-free-images/rock-formations-copyright-free-images

http://www.widescreenwallpapers.org/evening-splendor-volcanoes-national-park-hawaii-widescreen-wallpaper-1.html

http://wallpapers-dj.com/National_park_saguaro-10708.html

http://www.wallcoo.net/animal/2009_Animal_1680_Desktop_03/html/wallpaper13.html

http://hd-wallpaper.org/60__Picos_de_Europa_National_Park,_Asturias,_Spain.htm

http://www.copyright-free-images.com/nature-landscapes-copyright-free-images/narrows-copyright-free-images/

http://www.w3wallpapers.com/

http://www.e-cobo.com/wallpapers/forest.php

http://www.hd-wallpapers.org/hd-yellowstone-desktop-wallpapers/page/www.malanchukdesign.com.ua

http://www.newfreewallpapers.com/anasazi-ruins-national-park-colorado-wallpapers.html#

http://www.copyright-free-images.com/nature-landscapes-copyright-free-images/national-parks-reserves-copyright-free-images

http://www.sxc.hu